D). If the crosswalks were painted it would it make it more visible to cars. It would also be more visible to pedestrians so they don't Jay walk and get hit.
Explanation:
Environmental physician is most likely to study the effects of air pollution on asthma.Environmental Physician focuses on the causes of disease in an environmental context.They not only study about air pollution but also ozone depletion and its effects on health, global warming etc
Skeleton muscles relay on contractions to move the bone they are attached to so it can contract and relax
Answer:
you've just been distracted
Explanation: